# The Telecommunications (Interconnection) (Number Portability, etc.) Regulations 1999, Paragraph 28.5


If requested in writing by the Director, the Licensee shall provide to the Director a record of each number in relation to which it is providing Portability (other than Mobile Portability or Paging Portability), specifying the relevant Operator or Service Provider in each case.

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Source: https://www.legislation.gov.uk/uksi/1999/3449/schedule/1/part/II/paragraph/28n5 (the official version)
Page: https://openlegislation.uk/telecommunications-interconnection-number-portability-etc-regulations-1999/schedule-1/part-II/paragraph-28n5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.